2-(5-Nitrobenzo[b]thiophen-2-yl)-5-(p-tolyl)-1,3,4-oxadiazole CAS 477857-69-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 477857-69-5 |
| Molecular Formula | C17H11N3O3S |
| Molecular Weight | 337.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(5-Nitrobenzo[b]thiophen-2-yl)-5-(p-tolyl)-1,3,4-oxadiazole (CAS 477857-69-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H11N3O3S. Molecular weight: 337.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H11N3O3S |
| Molecular Weight | 337.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrobenzo Standards
- 4-((6-Nitrobenzo[d][1,3]dioxol-5-yl)methylene)-2-phenyloxazol-5(4H)-one (CAS 21873-12-1)
- 2-(5-Nitrobenzo[b]thiophen-2-yl)-5-(thiophen-2-yl)-1,3,4-oxadiazole (CAS 477847-62-4)
- (6-Nitrobenzo[d][1,3]dioxol-5-yl)methyl 3-nitrobenzoate (CAS 331461-78-0)
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Recommended Standards
- 2-(3,4-Dimethoxybenzenesulfonamido)benzoic acid (CAS 325721-96-8)
- 2,5-Dioxopyrrolidin-1-yl (4-(methylthio)phenyl) succinate (CAS 86451-38-9)
- 2-((4-Amino-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)-N-(2,5-dimethoxyphenyl)acetamide (CAS 869068-34-8)
- 6-Methylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 860416-19-9)
- 902938-89-0 (2-{[4-(2-Methoxyphenyl)piperazin-1-yl]carbonyl}-1-benzofuran-3-yl)amine MFCD15732061 (CAS 902938-89-0)
- 2-Bromo-N-(1-(thiophen-2-yl)propan-2-yl)benzamide (CAS 717120-96-2)
- Bromfenac Impurity 40 (CAS CATO-C4X-200240)
- Bzl-N-Me-Ser-OH (CAS 201208-99-3)
- N-Allyl-2-(1H-imidazole-2-carbonyl)benzamide (CAS 62366-84-1)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
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